abstrusely
1. The professor's abstrusely reasoned theories were wasted on his students.
教授深奥难懂的理论对他的学生没有任何帮助。
2. As metaphysics it does not talk abstrusely about or confine itself to clothing colors and flag colors.
而不只是作为“玄理”去玄谈或只囿于服色、旗色。